These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

Eighteenth-century home, where Herschel discovered the planet Uranus.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

The commemorative stone column conceals a secret laboratory.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

An open air haven for tropical monkeys in the damp moors of the English country.

What was once England's second-richest abbey is now a haunting ruin.

Decrepit Victorian public lift is a white-knuckle ride.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

This ruined 15th-century hermitage is steeped in myth and mystery.

The abandoned fishing village was swept right into the sea.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

A hundred copies of Antony Gormley's naked body stare out across the water.